8160905 has 16 divisors (see below), whose sum is σ = 10389504. Its totient is φ = 6143040.

The previous prime is 8160851. The next prime is 8160913. The reversal of 8160905 is 5090618.

It is not a de Polignac number, because 8160905 - 2¹⁶ = 8095369 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5024 + ... + 6446.

It is an arithmetic number, because the mean of its divisors is an integer number (649344).

Almost surely, 2^8160905 is an apocalyptic number.

It is an amenable number.

8160905 is a deficient number, since it is larger than the sum of its proper divisors (2228599).

8160905 is a wasteful number, since it uses less digits than its factorization.

8160905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 8160905 is about 2856.7297737098. The cubic root of 8160905 is about 201.3319843947.

The spelling of 8160905 in words is "eight million, one hundred sixty thousand, nine hundred five".